693.932 PEOPLE
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Casati, R. |
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| Kočí, Jan | Prague |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Azevedo, Nuno Monteiro |
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Fæster, Søren
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Topics
Publications (34/34 displayed)
- 2024Microstructural Evolution During Welding of High Si Solution-Strengthened Ferritic Ductile Cast Iron Using Different Filler Metalscitations
- 2024An experimentally validated thermomechanical model for a parametric study on reducing residual stress in cast iron repair welding
- 2023New White Etch Cracking resistant martensitic stainless steel for bearing applications by high temperature solution nitridingcitations
- 2023Dataset for scanning electron microscopy based local fiber volume fraction analysis of non-crimp fabric glass fiber reinforced compositescitations
- 2023Corrosion surface morphology-based methodology for fatigue assessment of offshore welded structurescitations
- 2023Understanding the challenges during repair welding of EN GJS-500-14 spheroidal cast iron for wind industry
- 2023Thermomechanical modeling and experimental study of a multi-layer cast iron repair welding for weld-induced crack predictioncitations
- 2022Effect of manufacturing defects on fatigue life of high strength steel bolts for wind turbinescitations
- 2022Technologies of Wind Turbine Blade Repair: Practical Comparisoncitations
- 2021Nanoengineered graphene-reinforced coating for leading edge protection of wind turbine bladescitations
- 2021Scanning electron microscopy datasets for local fibre volume fraction determination in non-crimp glass-fibre reinforced compositescitations
- 2021Unraveling compacted graphite evolution during solidification of cast iron using in-situ synchrotron X-ray tomographycitations
- 2020Analysis of the correlation between micro-mechanical fields and fatigue crack propagation path in nodular cast ironcitations
- 2019X-ray tomography data of compression tested unidirectional fibre composites with different off-axis anglescitations
- 2019Impact of micro-scale residual stress on in-situ tensile testing of ductile cast iron: Digital volume correlation vs. model with fully resolved microstructure vs. periodic unit cellcitations
- 20192D and 3D characterization of rolling contact fatigue cracks in manganese steel wing rails from a crossingcitations
- 2019Crack formation within a Hadfield manganese steel crossing nosecitations
- 20182D and 3D characterization of rolling contact fatigue cracks in a manganese steel crossing wing rail
- 2018Preface for the 39th Risø Symposium Proceedings, IOP publication
- 2017Non-spherical voids and lattice reorientation patterning in a shock-loaded Al single crystalcitations
- 2017Multiscale characterization of White Etching Cracks (WEC) in a 100Cr6 bearing from a thrust bearing test rigcitations
- 2017Graphite nodules in fatigue-tested cast iron characterized in 2D and 3Dcitations
- 2017Analysis of bearing steel exposed to rolling contact fatiguecitations
- 2017Synchrotron measurements of local microstructure and residual strains in ductile cast ironcitations
- 20163D characterization of rolling contact fatigue crack networkscitations
- 2016Three-dimensional local residual stress and orientation gradients near graphite nodules in ductile cast ironcitations
- 2014Grinding induced martensite on the surface of rails
- 2014Statistical analysis of manufacturing defects on fatigue life of wind turbine casted Component
- 2014Characterization of graphite nodules in thick-walled ductile cast iron
- 2011Growth of thin fullerene films by Matrix Assisted Pulsed Laser Evaporation
- 2011Laser-assisted deposition of thin C60 films
- 2006Controlling Interface Adhesion and Fracture Properties in Composite Materials by Plasma Polymerisation
- 2004Measurement of the components of plastic displacement gradients in three dimensionscitations
- 2004Metal Microstructures in Four Dimensions
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article
Three-dimensional local residual stress and orientation gradients near graphite nodules in ductile cast iron
Abstract
A synchrotron technique, differential aperture X-ray microscopy (DAXM), has been applied to characterize the microstructure and analyze the local mesoscale residual elastic strain fields around graphite nodules embedded in ferrite matrix grains in ductile cast iron. Compressive residual elastic strains are measured with a maximum strain of ∼6.5–8 × 10<sup>−4 </sup>near the graphite nodules extending into the matrix about 20 μm, where the elastic strain is near zero. The experimental data are compared with a strain gradient calculated by a finite element model, and good accord has been found but with a significant overprediction of the maximum strain. This is discussed in terms of stress relaxation during cooling or during storage by plastic deformation of the nodule, the matrix or both. Relaxation by plastic deformation of the ferrite is demonstrated by the formation of low energy dislocation cell structure also quantified by the DAXM technique.